Home / 98,062.19-135,321.54-54,452.03

Finding the Fourth Proportional to 98,062.19, 135,321.54 and 54,452.03

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Solution

The fourth proportional to 98,062.19, 135,321.54 and 54,452.03 is: 75,141.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,062.19 : 135,321.54 = 54,452.03 : x
  2. Step 2: Convert to fraction form
    98,062.19/135,321.54 = 54,452.03/x
  3. Step 3: Cross multiply
    98,062.19x = 135,321.54 × 54,452.03
  4. Step 4: Simplify right side
    98,062.19x = 7,368,532,555.73
  5. Step 5: Solve for x
    x = 7,368,532,555.73/98,062.19
  6. Step 6: Final answer
    x = 75,141.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.